Letting \(\lambda _{E,\Sigma _0}^{alg}\)  denote the \(\lambda \) -invariant of \(X^{\Sigma _0}(E/\mathbb {Q}^{cyc})\) . It is related to \(\lambda _{E}^{alg}\)  according to the formula [1]}
\(\lambda _{E,\Sigma _0}^{alg}=\lambda _{E}^{alg}+\sum _{l\in \Sigma _0} \sigma _E^{(l)}.\) 
